748942990 has 16 divisors (see below), whose sum is σ = 1427397552. Its totient is φ = 281954944.

The previous prime is 748942913. The next prime is 748942993. The reversal of 748942990 is 99249847.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (748942993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2202604 + ... + 2202943.

It is an arithmetic number, because the mean of its divisors is an integer number (89212347).

Almost surely, 2^748942990 is an apocalyptic number.

748942990 is a deficient number, since it is larger than the sum of its proper divisors (678454562).

748942990 is a wasteful number, since it uses less digits than its factorization.

748942990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4405571.

The product of its (nonzero) digits is 1306368, while the sum is 52.

The square root of 748942990 is about 27366.8227969562. The cubic root of 748942990 is about 908.1332702688.

The spelling of 748942990 in words is "seven hundred forty-eight million, nine hundred forty-two thousand, nine hundred ninety".